61.92% is the change from 260 to 421
Calculation steps:
[( 421 - 260 ) ÷ 260] x 100 = 61.92%
Formula
Percentage change = [(421 - 260) / 260] x 100
Subtract the new number by the original number
421 - 260 = 161
161 ÷ 260 = 0.6192307692307693
0.6192307692307693 x 100 = 61.92%